Depending on issues with heights, it really isn't that bad. The icy stuff is the only thing that makes it hairy. No pennies, no spit but I WILL toss a paper airplane off sometime!
Allegedly this is a painting and not photoshop, though I'm unconvinced. Cool, either way.
Been up there myself back when it was first built. The two (if I remember 2) "wooden" water tanks are really impressive. I climbed up above the cooling towers and there is access and ladders inside those two pillars on top. I thought it would be a blast to climb those.